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Finding the Fourth Proportional to 310,551.60, 465,827.40 and 88,935.60

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Solution

The fourth proportional to 310,551.60, 465,827.40 and 88,935.60 is: 133,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,551.60 : 465,827.40 = 88,935.60 : x
  2. Step 2: Convert to fraction form
    310,551.60/465,827.40 = 88,935.60/x
  3. Step 3: Cross multiply
    310,551.60x = 465,827.40 × 88,935.60
  4. Step 4: Simplify right side
    310,551.60x = 41,428,639,315.44
  5. Step 5: Solve for x
    x = 41,428,639,315.44/310,551.60
  6. Step 6: Final answer
    x = 133,403.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.